/*****************************************************************************
* | File      	:   EPD_1IN54B_Z17.h
* | Author      :   Waveshare team
* | Function    :   1.54inch e-paper b V2
* | Info        :
*----------------
* |	This version:   V1.0
* | Date        :   2020-07-07
* | Info        :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to  whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_1in54b_Z17.h"
#include "DEBUG.h"
// #include "EPD_SDCard.h"

#define DEBUG Debug
/******************************************************************************
function :	Software reset
parameter:
******************************************************************************/
static void EPD_1IN54B_Z17_Reset(void)
{
    // DEV_Digital_Write(EPD_RST_PIN, 1);
    // DEV_Delay_ms(10);
    DEV_Digital_Write(EPD_RST_PIN, 0);
    DEV_Delay_ms(100);//10  
    DEV_Digital_Write(EPD_RST_PIN, 1);
    DEV_Delay_ms(100);//10
}

/******************************************************************************
function :	send command
parameter:
     Reg : Command register
******************************************************************************/
static void EPD_1IN54B_Z17_SendCommand(UBYTE Reg)
{
    DEV_Digital_Write(EPD_DC_PIN, 0);
    DEV_Digital_Write(EPD_CS_PIN, 0);
    DEV_SPI_WriteByte(Reg);
    DEV_Digital_Write(EPD_CS_PIN, 1);
}

/******************************************************************************
function :	send data
parameter:
    Data : Write data
******************************************************************************/
static void EPD_1IN54B_Z17_SendData(UBYTE Data)
{
    DEV_Digital_Write(EPD_DC_PIN, 1);
    DEV_Digital_Write(EPD_CS_PIN, 0);
    DEV_SPI_WriteByte(Data);
    DEV_Digital_Write(EPD_CS_PIN, 1);
}

/******************************************************************************
function :	Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
static void EPD_1IN54B_Z17_ReadBusy(void)
{
    DEBUG("e-Paper busy\r\n");
    while (1)
    {
        // EPD_1IN54B_Z17_SendCommand(0x71);
        if (DEV_Digital_Read(EPD_BUSY_PIN) ==1)
        DEV_Delay_ms(10); // 200
        // DEBUG(".\r\n");
    }

    DEBUG("e-Paper busy release\r\n");
}

/******************************************************************************
function :	Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_1IN54B_Z17_Init(void)
{

    EPD_1IN54B_Z17_Reset();

    EPD_1IN54B_Z17_ReadBusy();
    // EPD_W21_Init();
    EPD_1IN54B_Z17_SendCommand(0x06);  // boost soft start
    EPD_1IN54B_Z17_SendData(0x17); // A
    EPD_1IN54B_Z17_SendData(0x17); // B
    EPD_1IN54B_Z17_SendData(0x17); // C
    EPD_1IN54B_Z17_SendCommand(0x04);
    EPD_1IN54B_Z17_ReadBusy(); // waiting for the electronic paper IC to release the idle signal

    EPD_1IN54B_Z17_SendCommand(0x00);  // panel setting
    EPD_1IN54B_Z17_SendData(0x0f); // LUT from OTP��160x296
    EPD_1IN54B_Z17_SendData(0x0d); // VCOM to 0V fast,This data is necessary, please do not delete!!!

    EPD_1IN54B_Z17_SendCommand(0x61); // resolution setting
    EPD_1IN54B_Z17_SendData(0x98);//152
    EPD_1IN54B_Z17_SendData(0x00);
    EPD_1IN54B_Z17_SendData(0x98);//152

    EPD_1IN54B_Z17_SendCommand(0X50);  // VCOM AND DATA INTERVAL SETTING
    EPD_1IN54B_Z17_SendData(0x77); // WBmode:VBDF 17|D7 VBDW 97 VBDB 57		WBRmode:VBDF F7 VBDW 77 VBDB 37  VBDR B7
    EPD_1IN54B_Z17_ReadBusy();
}

/******************************************************************************
function :	Clear screen
parameter:
******************************************************************************/
void EPD_1IN54B_Z17_Clear(void)
{
    UDOUBLE Width, Height;
    Width = (EPD_1IN54B_Z17_WIDTH % 8 == 0) ? (EPD_1IN54B_Z17_WIDTH / 8) : (EPD_1IN54B_Z17_WIDTH / 8 + 1);
    Height = EPD_1IN54B_Z17_HEIGHT;

    unsigned int i;
    EPD_1IN54B_Z17_SendCommand(0x10); // write RAM for black(0)/white (1)
    for (i = 0; i < Width * Height; i++)
    {
        EPD_1IN54B_Z17_SendData(0xFF);
    }
    EPD_1IN54B_Z17_SendCommand(0x13); // write RAM for black(0)/white (1)
    for (i = 0; i < Width * Height; i++)
    {
        EPD_1IN54B_Z17_SendData(0x00);
    }
    // PRINT_INFO("time:%d\n",millis());
    EPD_1IN54B_Z17_SendCommand(0x12); // Display Update Control

    EPD_1IN54B_Z17_ReadBusy();
}

/******************************************************************************
function :	Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_1IN54B_Z17_Display(unsigned char *BW_Image, unsigned char *R_Image)
{
    UDOUBLE Width, Height;
    Width = (EPD_1IN54B_Z17_WIDTH % 8 == 0) ? (EPD_1IN54B_Z17_WIDTH / 8) : (EPD_1IN54B_Z17_WIDTH / 8 + 1);
    Height = EPD_1IN54B_Z17_HEIGHT;

    // send black data
    EPD_1IN54B_Z17_SendCommand(0x10);
    for (UDOUBLE j = 0; j < Height; j++)
    {
        for (UDOUBLE i = 0; i < Width; i++)
        {
            EPD_1IN54B_Z17_SendData(BW_Image[i + j * Width]);
        }
    }

    // send red data
    EPD_1IN54B_Z17_SendCommand(0x13);
    for (UDOUBLE j = 0; j < Height; j++)
    {
        for (UDOUBLE i = 0; i < Width; i++)
        {
            EPD_1IN54B_Z17_SendData(R_Image[i + j * Width]);
        }
    }

    EPD_1IN54B_Z17_SendCommand(0x12); // Display Update Control

    EPD_1IN54B_Z17_ReadBusy();
}

/******************************************************************************
function :	Enter sleep mode
parameter:
******************************************************************************/
void EPD_1IN54B_Z17_Sleep(void)
{
        EPD_1IN54B_Z17_SendCommand(0X50);			//border floating
		EPD_1IN54B_Z17_SendData(0xf7);	
		
		EPD_1IN54B_Z17_SendCommand(0X02);  	//power off
		EPD_1IN54B_Z17_ReadBusy();//waiting for the electronic paper IC to release the idle signal
		EPD_1IN54B_Z17_SendData(0X07);  	//deep sleep
		EPD_1IN54B_Z17_SendData(0xA5);   

        DEV_Delay_ms(100);
}

/******************************************************************************
function :	Turn On Display
parameter:
******************************************************************************/
void EPD_1IN54B_Z17_TurnOnDisplay(void)
{
    EPD_1IN54B_Z17_SendCommand(0x12); // Display Update Control

    EPD_1IN54B_Z17_ReadBusy();
}

/******************************************************************************
function :	Sends the image buffer in RAM to e-Paper and displays
parameter:  color:black,0;red,1;*data;index;length
******************************************************************************/
void EPD_1IN54B_Z17_Data_Write(UBYTE color, UBYTE *Image_Data, UDOUBLE index, UDOUBLE length)
{
    if (index == 0)
    {
        if (color == 0)
        {
            EPD_1IN54B_Z17_SendCommand(0x10);
        }
        else if (color == 1)
        {
            EPD_1IN54B_Z17_SendCommand(0x13);
        }
    }
    for (UDOUBLE i = 0; i < length; i++)
    {
        if (color == 0)
        {
            EPD_1IN54B_Z17_SendData(Image_Data[i]);
        }
        else if (color == 1)
        {
            EPD_1IN54B_Z17_SendData(~Image_Data[i]);
        }
    }
}
